Mathematical Problems in Engineering / 2014 / Article / Tab 5

Research Article

Effect of Baseflow Separation on Uncertainty of Hydrological Modeling in the Xinanjiang Model

Table 5

Assessing indices of uncertainty under different thresholds for the baseflow efficiency index with threshold for the Nash efficiency index at 70%.

Threshold of (%)*040506070
ValueRI/%ValueRI/%ValueRI/%ValueRI/%ValueRI/%

Total flow
 RIW0.51 0.41 9.93 0.26 24.10 0.23 27.09 0.19 31.37 0.30 20.65
 CR0.697 0.663 4.88 0.601 13.77 0.562 19.37 0.505 27.55 0.582 16.50
 NE (MQ0.5)88.84 89.48 0.72 89.77 1.05 89.80 1.08 89.90 1.19 89.83 1.11
Baseflow
 RIW0.97 0.79 17.80 0.54 42.80 0.47 49.79 0.35 61.85 0.40 56.70
 CR0.713 0.695 2.52 0.630 11.64 0.595 16.55 0.525 26.37 0.606 15.01
(MQ0.5)43.11 56.74 31.62 63.28 46.79 63.98 48.41 65.97 53.03 72.18 67.43

* is for scenario without threshold for the baseflow efficiency index; RI is the change percentage of RIW between the scenarios with and without threshold for the baseflow efficiency index.